XY-8000 TOC Online Total Organic Carbon Analyzer

Description :

XY-8000 TOC Online Total Organic Carbon Analyzer

XY-8000 TOC Online Total Organic Carbon Analyzer

Saturday is April 1st, 2023, with an additional shift and shipment. (The weather is nice and suitable for a spring outing. I feel like I'm missing out on such a beautiful spring outing.)

When I arrived at the company, I cleaned it up first. Next Monday, a new colleague, who is also a second born mother and a practical person, will come to the company. A little girl who came to the company a few days ago is not funny. She should be called a daughter-in-law after getting married. She is full of enthusiasm. I really like this kind of drive. She loves what she does and is serious about her work. It makes sense when she speaks. In the past, I used to beshoutOther people's sisters, now they call me sister, time flies like the wind, in the pastshoutWhen others were older sisters, I didn't think so. Now when others call me older sister, I look at timealreadyOld, cherish the present,Once upon a timeThe past is right in front of us. We used to work hard for others, but now we cheer for ourselves!

OneTechnical indicators and functions

Range: 0~50mg/L or 0~5000mg/L.

Repeatability: 3%

Response time: 7-15 minutes

The requirement for the tested sample is that the solid particles should not exceed 100 μ m; The chloride ion content should not exceed 1000ppm, and if it exceeds 1000mg/L, an attachment called 'halogen trap' must be added; Cannot react with phosphoric acid to produce precipitation. If precipitation occurs, it is necessary to change some of the liquid flow structure.

Environmental temperature: 0-40 ℃; Relative humidity: RH0~90%.

Power supply: AC220V/50HZ 450W.

L size: 570mm × 320mm × 1600mm.

Weight: 70kg

The instrument adopts an 8-inch LCD display screen with a resolution of 800 * 480, equipped with touch buttons, beautiful appearance, and easy operation.

4-20mA analog signal output.

2-channel relay alarm output, allowable load: 220V/2A.

two.Measuring principle

This instrument consists of a wet oxidation circuit and a carbon dioxide gas detector. Simple structure, easy connection, easy maintenance, and easy upgrade and replacement; Low operating costs, suitable for teaching and use by a wide range of factories, mines, grassroots environmental monitoring departments, and teachers and students of relevant universities; Wet oxidation/micro capacitive infrared detection method has high sensitivity and suitable measurement range for surface water and process water use.

The measurement process and working principle are as follows:

one After passing through the pressure regulator, carrier gas I is mixed with reagents from the injection pump, water samples from the injection pump and distribution valve, and enters the agitation loop together for sufficient acidification reaction. The inorganic carbon in the water sample is converted into carbon dioxide gas under the action of phosphoric acid and then escapes from the gas/liquid separator outlet. The organic carbon in the water sample and the sodium peroxide in the reagent enter the reactor. Under the oxidation of ultraviolet light and sodium peroxide, organic carbon is converted into carbon dioxide gas.

two Carrier gas II enters the reactor through a flow meter, driving carbon dioxide gas into the condenser. The condensed carbon dioxide gas enters the electronic cooler for further cooling to 6 ℃, thereby achieving the purpose of gas/water separation and eliminating the influence of moisture on the measured values.

three Filter out solid particles and interfering ions that may exist in carbon dioxide gas and enter NDIR for concentration measurement.

four NDIR outputs analog signals corresponding to the concentration of carbon dioxide gas; After AD conversion, this signal is collected and processed by the CPU, displaying the total TOC value of the water sample.

five Removal of Inorganic Carbon

The presence of carbonates, bicarbonates, and dissolved carbon dioxide in the sample must be removed before the organic carbon testing process, in order to only consider "organic carbon". After mixing the sample and reagent, the inorganic carbon reacts with phosphoric acid under the drive of the carrier gas, and carbon dioxide escapes from the gas-liquid separator.

six Oxidation of organic substances

After mixing the sample and reagent, they flow into the reactor. Through the irradiation of ultraviolet light and the action of the oxidizing agent sodium (ammonium), the organic carbon in the sample reacts rapidly to form carbon dioxide.

seven data processing

The instrument adopts a combination of continuous and intermittent injection, with sufficient TOC oxidation, which increases the measurement range, improves the accuracy and stability of the instrument. The data processor collects CO2 gas concentration for a certain period of time, performs integration processing and linear fitting. A large range instrument with a concentration of 0-5000mg/L,

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• TOC Online